National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Fog/Mist

34°F

1°C

Humidity 97%
Wind Speed S 6 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 33°F (1°C)
Visibility 2.00 mi
Wind Chill29°F (-2°C)
Last update 18 Feb 8:54 am EST
Extended Forecast for

Watertown MA

  • Today

    Today: A chance of rain between 10am and 2pm, then a chance of snow after 2pm. Cloudy, with a high near 39. Light and variable wind. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

    High: 39 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of snow, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 26. Calm wind becoming north around 5 mph. Chance of precipitation is 40%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow after 4am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A chance of snow and freezing rain before 9am, then a chance of snow between 9am and noon, then rain after noon. High near 38. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Wintry
    Mix then Rain

  • Friday Night

    Friday Night: Snow, possibly mixed with rain, becoming all snow after 3am. Low around 31. North wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Saturday

    Saturday: A chance of snow before 4pm. Mostly cloudy, with a high near 36. North wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 2am. Mostly cloudy, with a low around 24. North wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow after noon. Mostly cloudy, with a high near 35. Northeast wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
A chance of rain between 10am and 2pm, then a chance of snow after 2pm. Cloudy, with a high near 39. Light and variable wind. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 26. Calm wind becoming north around 5 mph. Chance of precipitation is 40%. New snow accumulation of 1 to 2 inches possible.
Thursday
Mostly sunny, with a high near 39. Light and variable wind.
Thursday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 20%.
Friday
A chance of snow and freezing rain before 9am, then a chance of snow between 9am and noon, then rain after noon. High near 38. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow, possibly mixed with rain, becoming all snow after 3am. Low around 31. North wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow before 4pm. Mostly cloudy, with a high near 36. North wind 5 to 7 mph. Chance of precipitation is 40%.
Saturday Night
A chance of snow before 2am. Mostly cloudy, with a low around 24. North wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
A chance of snow after noon. Mostly cloudy, with a high near 35. Northeast wind 6 to 8 mph. Chance of precipitation is 40%.
Sunday Night
Snow likely, mainly between 10pm and midnight. Cloudy, with a low around 28. Northeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
A chance of snow. Mostly cloudy, with a high near 35. North wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 20. Northwest wind 7 to 9 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 31. Northwest wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
6:36 am EST Feb 18, 2026
Forecast Valid:
9am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation